From: Zebediah Figura Subject: [PATCH vkd3d 2/5] vkd3d-shader: Fold constant casts from uint to float. Message-Id: <20210601024114.23330-2-zfigura@codeweavers.com> Date: Mon, 31 May 2021 21:41:11 -0500 In-Reply-To: <20210601024114.23330-1-zfigura@codeweavers.com> References: <20210601024114.23330-1-zfigura@codeweavers.com> Signed-off-by: Zebediah Figura --- libs/vkd3d-shader/hlsl_codegen.c | 42 +++++++++++++++++++++++++++++--- 1 file changed, 39 insertions(+), 3 deletions(-) diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c index 7395772f..aa1b8d59 100644 --- a/libs/vkd3d-shader/hlsl_codegen.c +++ b/libs/vkd3d-shader/hlsl_codegen.c @@ -332,7 +332,7 @@ static bool fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, voi { struct hlsl_ir_constant *arg1, *arg2 = NULL, *res; struct hlsl_ir_expr *expr; - unsigned int i; + unsigned int i, dimx; if (instr->type != HLSL_IR_EXPR) return false; @@ -346,6 +346,7 @@ static bool fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, voi arg1 = hlsl_ir_constant(expr->operands[0].node); if (expr->operands[1].node) arg2 = hlsl_ir_constant(expr->operands[1].node); + dimx = instr->data_type->dimx; if (!(res = hlsl_alloc(ctx, sizeof(*res)))) return false; @@ -353,10 +354,45 @@ static bool fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, voi switch (instr->data_type->base_type) { - case HLSL_TYPE_UINT: + case HLSL_TYPE_FLOAT: { - unsigned int i; + switch (expr->op) + { + case HLSL_IR_UNOP_CAST: + if (instr->data_type->dimx != arg1->node.data_type->dimx + || instr->data_type->dimy != arg1->node.data_type->dimy) + { + FIXME("Cast from %s to %s.\n", debug_hlsl_type(ctx, arg1->node.data_type), + debug_hlsl_type(ctx, instr->data_type)); + vkd3d_free(res); + return false; + } + switch (arg1->node.data_type->base_type) + { + case HLSL_TYPE_UINT: + for (i = 0; i < dimx; ++i) + res->value.f[i] = arg1->value.u[i]; + break; + + default: + FIXME("Cast from %s to %s.\n", debug_hlsl_type(ctx, arg1->node.data_type), + debug_hlsl_type(ctx, instr->data_type)); + vkd3d_free(res); + return false; + } + break; + + default: + FIXME("Fold float op %#x.\n", expr->op); + vkd3d_free(res); + return false; + } + break; + } + + case HLSL_TYPE_UINT: + { switch (expr->op) { case HLSL_IR_BINOP_ADD: -- 2.31.1